Springer’s copyright agreement is, according to Springer, compatible with posting your article on the arXiv under the CC-BY license

It is far from clear to me that Springer’s copyright agreement (quoted below) is compatible with posting your paper on the arXiv under the CC-BY license. Happily, a Springer representative has just confirmed for me that this is allowed: Let me first say that the cc-by-0 license is no problem at all as it allows […]